Use the kernel's MAX_ERRNO in the syscall stubs.

Bug: http://code.google.com/p/android/issues/detail?id=53104 Change-Id: Iaabf7025b153e96dc5eca231a33a32d4cb7d8116
2013-03-12 14:57:30 -07:00
parent 94a34010c1
commit 9aceab5015
412 changed files with 1459 additions and 847 deletions
--- a/libc/arch-arm/syscalls/madvise.S
+++ b/libc/arch-arm/syscalls/madvise.S
@@ -1,4 +1,5 @@
 /* autogenerated by gensyscalls.py */
+#include <linux/err.h>
 #include <machine/asm.h>
 #include <sys/linux-syscalls.h>

@@ -7,7 +8,8 @@ ENTRY(madvise)
    ldr     r7, =__NR_madvise
    swi     #0
    mov     r7, ip
-    movs    r0, r0
-    bxpl    lr
-    b       __set_syscall_errno
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
 END(madvise)